From patchwork Tue May 19 20:51:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Basson X-Patchwork-Id: 218979 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E035C433DF for ; Tue, 19 May 2020 21:51:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D72012075F for ; Tue, 19 May 2020 21:51:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=marvell.com header.i=@marvell.com header.b="QMgeRni9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727995AbgESVv2 (ORCPT ); Tue, 19 May 2020 17:51:28 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:38940 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726977AbgESVv1 (ORCPT ); Tue, 19 May 2020 17:51:27 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 04JLkQ5x021123; Tue, 19 May 2020 14:51:24 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0818; bh=0n+bSPdXO+NGZqJd0j6z85utyhp8fImclJk/BxeNh5U=; b=QMgeRni9vl9X/XfhE50tehJZKxaHSkQcTdYk78XQK9pIPaz1Sa9ZMjHfx+R3gBD4UkQa F3zp24yCPE9mYhDITCTYmJPgHPzIqsUtbzlcu+C7v/dMvyb5PW1BH8p+dmk3v44KZyb+ t0S13g4zafbHfaf7hP98eLODs5umoXnamVml96VqmDIXhhgoLz2fpxTYMmuogV+aeVON 6XMgxDdqZpLeI7cVx53roaYlW/fT+Rv1Vsqpxa41Tj/ufEoCDkbWQg7SRscJs6kGWuMs 3JAE9IS7EzWUq7jeI07880jNfsZ+6hwgXiAonEa6dwmCnrMR+an4UH/4alItNvqAgoLb mA== Received: from sc-exch03.marvell.com ([199.233.58.183]) by mx0a-0016f401.pphosted.com with ESMTP id 312dhqp2mf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 19 May 2020 14:51:24 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 19 May 2020 14:51:22 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 19 May 2020 14:51:22 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 19 May 2020 14:51:22 -0700 Received: from lb-tlvb-ybason.il.qlogic.org (unknown [10.5.221.176]) by maili.marvell.com (Postfix) with ESMTP id 2B5833F703F; Tue, 19 May 2020 14:51:19 -0700 (PDT) From: Yuval Basson To: CC: , , Subject: [PATCH net-next,v2 2/2] qed: Add XRC to RoCE Date: Tue, 19 May 2020 23:51:26 +0300 Message-ID: <20200519205126.26987-3-ybason@marvell.com> X-Mailer: git-send-email 2.14.5 In-Reply-To: <20200519205126.26987-1-ybason@marvell.com> References: <20200519205126.26987-1-ybason@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.676 definitions=2020-05-19_10:2020-05-19,2020-05-19 signatures=0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add support for XRC-SRQ's and XRC-QP's for upper layer driver. We maintain separate bitmaps for resource management for srq and xrc-srq, However, the range in FW is one, The xrc-srq's are first and then the srq's follow. Therefore we maintain a srq-id offset. v2: perform cleanups if XRC bitmpas allocation fail. Signed-off-by: Michal Kalderon Signed-off-by: Yuval Bason --- drivers/net/ethernet/qlogic/qed/qed_rdma.c | 145 +++++++++++++++++++++++++---- drivers/net/ethernet/qlogic/qed/qed_rdma.h | 19 ++++ drivers/net/ethernet/qlogic/qed/qed_roce.c | 29 ++++++ include/linux/qed/qed_rdma_if.h | 19 ++++ 4 files changed, 194 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 415f3f3..5098587 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c @@ -212,13 +212,22 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) goto free_rdma_port; } + /* Allocate bit map for XRC Domains */ + rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->xrcd_map, + QED_RDMA_MAX_XRCDS, "XRCD"); + if (rc) { + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "Failed to allocate xrcd_map,rc = %d\n", rc); + goto free_pd_map; + } + /* Allocate DPI bitmap */ rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->dpi_map, p_hwfn->dpi_count, "DPI"); if (rc) { DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Failed to allocate DPI bitmap, rc = %d\n", rc); - goto free_pd_map; + goto free_xrcd_map; } /* Allocate bitmap for cq's. The maximum number of CQs is bound to @@ -271,6 +280,19 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) goto free_cid_map; } + /* The first SRQ follows the last XRC SRQ. This means that the + * SRQ IDs start from an offset equals to max_xrc_srqs. + */ + p_rdma_info->srq_id_offset = p_hwfn->p_cxt_mngr->xrc_srq_count; + rc = qed_rdma_bmap_alloc(p_hwfn, + &p_rdma_info->xrc_srq_map, + p_hwfn->p_cxt_mngr->xrc_srq_count, "XRC SRQ"); + if (rc) { + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "Failed to allocate xrc srq bitmap, rc = %d\n", rc); + goto free_real_cid_map; + } + /* Allocate bitmap for srqs */ p_rdma_info->num_srqs = p_hwfn->p_cxt_mngr->srq_count; rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->srq_map, @@ -278,7 +300,7 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) if (rc) { DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Failed to allocate srq bitmap, rc = %d\n", rc); - goto free_real_cid_map; + goto free_xrc_srq_map; } if (QED_IS_IWARP_PERSONALITY(p_hwfn)) @@ -292,6 +314,8 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) free_srq_map: kfree(p_rdma_info->srq_map.bitmap); +free_xrc_srq_map: + kfree(p_rdma_info->xrc_srq_map.bitmap); free_real_cid_map: kfree(p_rdma_info->real_cid_map.bitmap); free_cid_map: @@ -304,6 +328,8 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn) kfree(p_rdma_info->cq_map.bitmap); free_dpi_map: kfree(p_rdma_info->dpi_map.bitmap); +free_xrcd_map: + kfree(p_rdma_info->xrcd_map.bitmap); free_pd_map: kfree(p_rdma_info->pd_map.bitmap); free_rdma_port: @@ -377,6 +403,7 @@ static void qed_rdma_resc_free(struct qed_hwfn *p_hwfn) qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->tid_map, 1); qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->srq_map, 1); qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->real_cid_map, 1); + qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->xrc_srq_map, 1); kfree(p_rdma_info->port); kfree(p_rdma_info->dev); @@ -612,7 +639,10 @@ static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn, p_params_header->cnq_start_offset = (u8)RESC_START(p_hwfn, QED_RDMA_CNQ_RAM); p_params_header->num_cnqs = params->desired_cnq; - + p_params_header->first_reg_srq_id = + cpu_to_le16(p_hwfn->p_rdma_info->srq_id_offset); + p_params_header->reg_srq_base_addr = + cpu_to_le32(qed_cxt_get_ilt_page_size(p_hwfn, ILT_CLI_TSDM)); if (params->cq_mode == QED_RDMA_CQ_MODE_16_BITS) p_params_header->cq_ring_mode = 1; else @@ -983,6 +1013,41 @@ static void qed_rdma_free_pd(void *rdma_cxt, u16 pd) spin_unlock_bh(&p_hwfn->p_rdma_info->lock); } +static int qed_rdma_alloc_xrcd(void *rdma_cxt, u16 *xrcd_id) +{ + struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt; + u32 returned_id; + int rc; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc XRCD\n"); + + spin_lock_bh(&p_hwfn->p_rdma_info->lock); + rc = qed_rdma_bmap_alloc_id(p_hwfn, + &p_hwfn->p_rdma_info->xrcd_map, + &returned_id); + spin_unlock_bh(&p_hwfn->p_rdma_info->lock); + if (rc) { + DP_NOTICE(p_hwfn, "Failed in allocating xrcd id\n"); + return rc; + } + + *xrcd_id = (u16)returned_id; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc XRCD - done, rc = %d\n", rc); + return rc; +} + +static void qed_rdma_free_xrcd(void *rdma_cxt, u16 xrcd_id) +{ + struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt; + + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "xrcd_id = %08x\n", xrcd_id); + + spin_lock_bh(&p_hwfn->p_rdma_info->lock); + qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->xrcd_map, xrcd_id); + spin_unlock_bh(&p_hwfn->p_rdma_info->lock); +} + static enum qed_rdma_toggle_bit qed_rdma_toggle_bit_create_resize_cq(struct qed_hwfn *p_hwfn, u16 icid) { @@ -1306,6 +1371,8 @@ static int qed_rdma_destroy_qp(void *rdma_cxt, struct qed_rdma_qp *qp) qp->resp_offloaded = false; qp->e2e_flow_control_en = qp->use_srq ? false : true; qp->stats_queue = in_params->stats_queue; + qp->qp_type = in_params->qp_type; + qp->xrcd_id = in_params->xrcd_id; if (QED_IS_IWARP_PERSONALITY(p_hwfn)) { rc = qed_iwarp_create_qp(p_hwfn, qp, out_params); @@ -1418,6 +1485,18 @@ static int qed_rdma_modify_qp(void *rdma_cxt, qp->cur_state); } + switch (qp->qp_type) { + case QED_RDMA_QP_TYPE_XRC_INI: + qp->has_req = 1; + break; + case QED_RDMA_QP_TYPE_XRC_TGT: + qp->has_resp = 1; + break; + default: + qp->has_req = 1; + qp->has_resp = 1; + } + if (QED_IS_IWARP_PERSONALITY(p_hwfn)) { enum qed_iwarp_qp_state new_state = qed_roce2iwarp_state(qp->cur_state); @@ -1657,6 +1736,15 @@ static void *qed_rdma_get_rdma_ctx(struct qed_dev *cdev) return QED_AFFIN_HWFN(cdev); } +static struct qed_bmap *qed_rdma_get_srq_bmap(struct qed_hwfn *p_hwfn, + bool is_xrc) +{ + if (is_xrc) + return &p_hwfn->p_rdma_info->xrc_srq_map; + + return &p_hwfn->p_rdma_info->srq_map; +} + static int qed_rdma_modify_srq(void *rdma_cxt, struct qed_rdma_modify_srq_in_params *in_params) { @@ -1686,8 +1774,8 @@ static int qed_rdma_modify_srq(void *rdma_cxt, if (rc) return rc; - DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "modified SRQ id = %x", - in_params->srq_id); + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "modified SRQ id = %x, is_xrc=%u\n", + in_params->srq_id, in_params->is_xrc); return rc; } @@ -1702,6 +1790,7 @@ static int qed_rdma_modify_srq(void *rdma_cxt, struct qed_spq_entry *p_ent; struct qed_bmap *bmap; u16 opaque_fid; + u16 offset; int rc; opaque_fid = p_hwfn->hw_info.opaque_fid; @@ -1723,14 +1812,16 @@ static int qed_rdma_modify_srq(void *rdma_cxt, if (rc) return rc; - bmap = &p_hwfn->p_rdma_info->srq_map; + bmap = qed_rdma_get_srq_bmap(p_hwfn, in_params->is_xrc); + offset = (in_params->is_xrc) ? 0 : p_hwfn->p_rdma_info->srq_id_offset; spin_lock_bh(&p_hwfn->p_rdma_info->lock); - qed_bmap_release_id(p_hwfn, bmap, in_params->srq_id); + qed_bmap_release_id(p_hwfn, bmap, in_params->srq_id - offset); spin_unlock_bh(&p_hwfn->p_rdma_info->lock); - DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "SRQ destroyed Id = %x", - in_params->srq_id); + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, + "XRC/SRQ destroyed Id = %x, is_xrc=%u\n", + in_params->srq_id, in_params->is_xrc); return rc; } @@ -1748,24 +1839,26 @@ static int qed_rdma_modify_srq(void *rdma_cxt, u16 opaque_fid, srq_id; struct qed_bmap *bmap; u32 returned_id; + u16 offset; int rc; - bmap = &p_hwfn->p_rdma_info->srq_map; + bmap = qed_rdma_get_srq_bmap(p_hwfn, in_params->is_xrc); spin_lock_bh(&p_hwfn->p_rdma_info->lock); rc = qed_rdma_bmap_alloc_id(p_hwfn, bmap, &returned_id); spin_unlock_bh(&p_hwfn->p_rdma_info->lock); if (rc) { - DP_NOTICE(p_hwfn, "failed to allocate srq id\n"); + DP_NOTICE(p_hwfn, + "failed to allocate xrc/srq id (is_xrc=%u)\n", + in_params->is_xrc); return rc; } - elem_type = QED_ELEM_SRQ; + elem_type = (in_params->is_xrc) ? (QED_ELEM_XRC_SRQ) : (QED_ELEM_SRQ); rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, elem_type, returned_id); if (rc) goto err; - /* returned id is no greater than u16 */ - srq_id = (u16)returned_id; + opaque_fid = p_hwfn->hw_info.opaque_fid; opaque_fid = p_hwfn->hw_info.opaque_fid; @@ -1782,20 +1875,34 @@ static int qed_rdma_modify_srq(void *rdma_cxt, DMA_REGPAIR_LE(p_ramrod->pbl_base_addr, in_params->pbl_base_addr); p_ramrod->pages_in_srq_pbl = cpu_to_le16(in_params->num_pages); p_ramrod->pd_id = cpu_to_le16(in_params->pd_id); - p_ramrod->srq_id.srq_idx = cpu_to_le16(srq_id); p_ramrod->srq_id.opaque_fid = cpu_to_le16(opaque_fid); p_ramrod->page_size = cpu_to_le16(in_params->page_size); DMA_REGPAIR_LE(p_ramrod->producers_addr, in_params->prod_pair_addr); + offset = (in_params->is_xrc) ? 0 : p_hwfn->p_rdma_info->srq_id_offset; + srq_id = (u16)returned_id + offset; + p_ramrod->srq_id.srq_idx = cpu_to_le16(srq_id); + if (in_params->is_xrc) { + SET_FIELD(p_ramrod->flags, + RDMA_SRQ_CREATE_RAMROD_DATA_XRC_FLAG, 1); + SET_FIELD(p_ramrod->flags, + RDMA_SRQ_CREATE_RAMROD_DATA_RESERVED_KEY_EN, + in_params->reserved_key_en); + p_ramrod->xrc_srq_cq_cid = + cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | + in_params->cq_cid); + p_ramrod->xrc_domain = cpu_to_le16(in_params->xrcd_id); + } rc = qed_spq_post(p_hwfn, p_ent, NULL); if (rc) goto err; out_params->srq_id = srq_id; - DP_VERBOSE(p_hwfn, QED_MSG_RDMA, - "SRQ created Id = %x\n", out_params->srq_id); - + DP_VERBOSE(p_hwfn, + QED_MSG_RDMA, + "XRC/SRQ created Id = %x (is_xrc=%u)\n", + out_params->srq_id, in_params->is_xrc); return rc; err: @@ -1961,6 +2068,8 @@ static int qed_iwarp_set_engine_affin(struct qed_dev *cdev, bool b_reset) .rdma_cnq_prod_update = &qed_rdma_cnq_prod_update, .rdma_alloc_pd = &qed_rdma_alloc_pd, .rdma_dealloc_pd = &qed_rdma_free_pd, + .rdma_alloc_xrcd = &qed_rdma_alloc_xrcd, + .rdma_dealloc_xrcd = &qed_rdma_free_xrcd, .rdma_create_cq = &qed_rdma_create_cq, .rdma_destroy_cq = &qed_rdma_destroy_cq, .rdma_create_qp = &qed_rdma_create_qp, diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.h b/drivers/net/ethernet/qlogic/qed/qed_rdma.h index 3689fe3..5a7ebc7 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.h +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.h @@ -63,6 +63,11 @@ #define QED_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1) #define QED_RDMA_MAX_CQE_16_BIT (0x7FFF - 1) +/* Up to 2^16 XRC Domains are supported, but the actual number of supported XRC + * SRQs is much smaller so there's no need to have that many domains. + */ +#define QED_RDMA_MAX_XRCDS (roundup_pow_of_two(RDMA_MAX_XRC_SRQS)) + enum qed_rdma_toggle_bit { QED_RDMA_TOGGLE_BIT_CLEAR = 0, QED_RDMA_TOGGLE_BIT_SET = 1 @@ -81,9 +86,11 @@ struct qed_rdma_info { struct qed_bmap cq_map; struct qed_bmap pd_map; + struct qed_bmap xrcd_map; struct qed_bmap tid_map; struct qed_bmap qp_map; struct qed_bmap srq_map; + struct qed_bmap xrc_srq_map; struct qed_bmap cid_map; struct qed_bmap tcp_cid_map; struct qed_bmap real_cid_map; @@ -111,6 +118,7 @@ struct qed_rdma_qp { u32 qpid; u16 icid; enum qed_roce_qp_state cur_state; + enum qed_rdma_qp_type qp_type; enum qed_iwarp_qp_state iwarp_state; bool use_srq; bool signal_all; @@ -153,18 +161,21 @@ struct qed_rdma_qp { dma_addr_t orq_phys_addr; u8 orq_num_pages; bool req_offloaded; + bool has_req; /* responder */ u8 max_rd_atomic_resp; u32 rq_psn; u16 rq_cq_id; u16 rq_num_pages; + u16 xrcd_id; dma_addr_t rq_pbl_ptr; void *irq; dma_addr_t irq_phys_addr; u8 irq_num_pages; bool resp_offloaded; u32 cq_prod; + bool has_resp; u8 remote_mac_addr[6]; u8 local_mac_addr[6]; @@ -174,6 +185,14 @@ struct qed_rdma_qp { struct qed_iwarp_ep *ep; }; +static inline bool qed_rdma_is_xrc_qp(struct qed_rdma_qp *qp) +{ + if (qp->qp_type == QED_RDMA_QP_TYPE_XRC_TGT || + qp->qp_type == QED_RDMA_QP_TYPE_XRC_INI) + return true; + + return false; +} #if IS_ENABLED(CONFIG_QED_RDMA) void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c index 475b899..46a4d09 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_roce.c +++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c @@ -254,6 +254,9 @@ static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn, int rc; u8 tc; + if (!qp->has_resp) + return 0; + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); /* Allocate DMA-able memory for IRQ */ @@ -315,6 +318,10 @@ static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn, ROCE_CREATE_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER, qp->min_rnr_nak_timer); + SET_FIELD(p_ramrod->flags, + ROCE_CREATE_QP_RESP_RAMROD_DATA_XRC_FLAG, + qed_rdma_is_xrc_qp(qp)); + p_ramrod->max_ird = qp->max_rd_atomic_resp; p_ramrod->traffic_class = qp->traffic_class_tos; p_ramrod->hop_limit = qp->hop_limit_ttl; @@ -335,6 +342,7 @@ static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn, p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo); p_ramrod->cq_cid = cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | qp->rq_cq_id); + p_ramrod->xrc_domain = cpu_to_le16(qp->xrcd_id); tc = qed_roce_get_qp_tc(p_hwfn, qp); regular_latency_queue = qed_get_cm_pq_idx_ofld_mtc(p_hwfn, tc); @@ -395,6 +403,9 @@ static int qed_roce_sp_create_requester(struct qed_hwfn *p_hwfn, int rc; u8 tc; + if (!qp->has_req) + return 0; + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); /* Allocate DMA-able memory for ORQ */ @@ -444,6 +455,10 @@ static int qed_roce_sp_create_requester(struct qed_hwfn *p_hwfn, ROCE_CREATE_QP_REQ_RAMROD_DATA_RNR_NAK_CNT, qp->rnr_retry_cnt); + SET_FIELD(p_ramrod->flags, + ROCE_CREATE_QP_REQ_RAMROD_DATA_XRC_FLAG, + qed_rdma_is_xrc_qp(qp)); + p_ramrod->max_ord = qp->max_rd_atomic_req; p_ramrod->traffic_class = qp->traffic_class_tos; p_ramrod->hop_limit = qp->hop_limit_ttl; @@ -517,6 +532,9 @@ static int qed_roce_sp_modify_responder(struct qed_hwfn *p_hwfn, struct qed_spq_entry *p_ent; int rc; + if (!qp->has_resp) + return 0; + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); if (move_to_err && !qp->resp_offloaded) @@ -611,6 +629,9 @@ static int qed_roce_sp_modify_requester(struct qed_hwfn *p_hwfn, struct qed_spq_entry *p_ent; int rc; + if (!qp->has_req) + return 0; + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); if (move_to_err && !(qp->req_offloaded)) @@ -705,6 +726,11 @@ static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn *p_hwfn, dma_addr_t ramrod_res_phys; int rc; + if (!qp->has_resp) { + *cq_prod = 0; + return 0; + } + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); *cq_prod = qp->cq_prod; @@ -785,6 +811,9 @@ static int qed_roce_sp_destroy_qp_requester(struct qed_hwfn *p_hwfn, dma_addr_t ramrod_res_phys; int rc = -ENOMEM; + if (!qp->has_req) + return 0; + DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid); if (!qp->req_offloaded) diff --git a/include/linux/qed/qed_rdma_if.h b/include/linux/qed/qed_rdma_if.h index 74efca1..f93edd5 100644 --- a/include/linux/qed/qed_rdma_if.h +++ b/include/linux/qed/qed_rdma_if.h @@ -53,6 +53,13 @@ enum qed_roce_qp_state { QED_ROCE_QP_STATE_SQE }; +enum qed_rdma_qp_type { + QED_RDMA_QP_TYPE_RC, + QED_RDMA_QP_TYPE_XRC_INI, + QED_RDMA_QP_TYPE_XRC_TGT, + QED_RDMA_QP_TYPE_INVAL = 0xffff, +}; + enum qed_rdma_tid_type { QED_RDMA_TID_REGISTERED_MR, QED_RDMA_TID_FMR, @@ -291,6 +298,12 @@ struct qed_rdma_create_srq_in_params { u16 num_pages; u16 pd_id; u16 page_size; + + /* XRC related only */ + bool reserved_key_en; + bool is_xrc; + u32 cq_cid; + u16 xrcd_id; }; struct qed_rdma_destroy_cq_in_params { @@ -319,7 +332,9 @@ struct qed_rdma_create_qp_in_params { u16 rq_num_pages; u64 rq_pbl_ptr; u16 srq_id; + u16 xrcd_id; u8 stats_queue; + enum qed_rdma_qp_type qp_type; }; struct qed_rdma_create_qp_out_params { @@ -429,11 +444,13 @@ struct qed_rdma_create_srq_out_params { struct qed_rdma_destroy_srq_in_params { u16 srq_id; + bool is_xrc; }; struct qed_rdma_modify_srq_in_params { u32 wqe_limit; u16 srq_id; + bool is_xrc; }; struct qed_rdma_stats_out_params { @@ -611,6 +628,8 @@ struct qed_rdma_ops { int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt); int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd); void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd); + int (*rdma_alloc_xrcd)(void *rdma_cxt, u16 *xrcd); + void (*rdma_dealloc_xrcd)(void *rdma_cxt, u16 xrcd); int (*rdma_create_cq)(void *rdma_cxt, struct qed_rdma_create_cq_in_params *params, u16 *icid);